20797808 is an even 8-digits composite number following 20797807
and preceding 20797809 . In scientific notation, it is written as 2.0797808 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 10272960 positive integers (up to 20797808) that are relatively prime to 20797808.
20797808 has 20 divisors, whose sum is 40783848
The reverse of 20797808 is 80879702
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million seven hundred ninety-seven thousand eight hundred eight
Scientific notation
2.0797808 × 10^7
Engineering notation
2.0797808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 83 × 15661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2599726
Product of the distinct prime numbers
The prime factorization of 20797808 is 2 × 2 × 2 × 2 × 83 × 15661.
Since it has a total of 6 prime factors.
4 , 5 , 64 , 30 , 423 , 975 , 418 , 4830 , 77 , 7903 , 972299 , 929832 , 6580029 , 3554812 , 26698407 , 66581805 , 656716958 , 715336752 , 1146000648 , 4250064470
n×2
41595616
n×3
62393424
n×4
83191232
n×5
103989040
n÷2
10398904
n÷3
6932602.6666667
n÷3
5199452
n÷5
4159561.6
n2
432548817604864
n3
8.996067259173E+21
n4
1.8709847961137E+29
n5
3.8912382560491E+36
2 √n
4560.4613801676
3 √n
275.0041123352
4 √n
67.531188203434
5 √n
29.08061005348
1 , 2 , 4 , 8 , 16 , 83 , 166 , 332 , 664 , 1328 , 15661 , 31322 , 62644 , 125288 , 250576 , 1299863 , 2599726 , 5199452 , 10398904 , 20797808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797808 can be divided by 20 positive divisors.
The sum of these divisors (counting 20797808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010101100101110000
3
Ternary
1110010122020012
4
Quaternary
1033111211300
5
Quinary
20311012213
6
Senary
2021434052
8
Octal
117254560
10
Decimal
20797808
12
Duodecimal
6b6b928
16
Hexadecimal
13d5970
20
Vigesimal
69jea8
36
Base36
cdrow
md5
b40ccbbb987d92ae5101a96c22a5c5a3
sha1
e41817d93df7d7ae8b2cdf00099755ec6bb70c3f
sha256
8ef2ec70dd281c90a2db2e68a77fc143fab565bb8d2bc6097a6e8a06e4e07085
sha512
14de68d2ed721fd40b01a99e5cb59a048281f4a8d4ed9c82d6bb4fed30a08c29b80765adade8595c6bdc448ac32b8a0fb21e4d2970ed4a086fb741f1d07496d0
ripemd-160
0abef4fc0dbd96cd7f6f6d0b3584b5270255eacc
Diameter
41595616
Circumference
130676481.64714
Area
1.3588921877064E+15
Volume
3.7682638416823E+22
Surface area
5.4355687508256E+15
Circumference
130676481.64714
Perimeter
83191232
Area
432548817604864
Diagonal
29412542.141232
Surface area
2595292905629184
Volume
8.996067259173E+21
Space diagonal
36022860.142062
Perimeter
62393424
Area
1.8729913221137E+14
Altitude
18011430.071031
Surface area
1.8729913221137E+14
Volume
1.0601966938286E+21
Height
9804180.7137439